Shimano Dura Ace Bottom Bracket BB92 PF86.5mm dynasys11 They’re constructed from machined aluminum

They’re constructed from machined aluminum and feature an integrated quick-link tool

ETRTO: 25-622

machined-aluminum construction paired with our low-profile Digital Strip Gauge for unmatched accuracy (+/- 1

TPI (Threads Per Inch) refers to the density of threads per inch

• Available with Oakley Authentic Prescription Lenses

Shimano Dura Ace Bottom Bracket BB92 PF86.5mm dynasys11 They’re constructed from machined aluminumDURA ACE Bottom Bracket Press Fit HOLLOWTECH II 86. 5 mm shell width With an advanced seal construction for smoother rotation, the DURA ACE is still lightweight at 54 grams. Bottom bracket with small ball bearings for lightweight Advanced seal construction for smoother rotation Weight: 65g (SM BB9000) 54g (SM BB92 41B)